Limonium is completely unrelated to lavender and unfortunately has none of the aromatic fragrance! I sell both dried flowers (commercially grown) in my shop at daisyshop.co.uk and have noticed that Limonium does retain the fragrance of the sea to some extent!

Revisiting the Sea pink flowers

The sea pinks have all but gone over – just the occasional colourful flower nodding amongst the seed heads on the cliff.

Sea pinks thrift Armeria maritima still flowering in August on Seaford Head 2015